late 15c., "vessel, etc., for storage," Middle French repositoire or directly from Late Latin repositorium "store," in classical Latin, "a stand on which food is placed," from noun use of repositus, past participle of reponere "put away, store" (see repose (v.2)). Figurative use is recorded from 1640s.
reporter
reportorial
repose
reposeful
reposition
repository
repossess
repossession
repost
repot
repour